Introduction:
Block banded matrices are special matrices with blocks of non-zero elements along the main diagonal and a few additional sub-diagonals and super-diagonals. These matrices are commonly used in various scientific and engineering applications, such as finite difference methods, numerical simulations, and signal processing.
In this blog post, we will provide a MATLAB, Python, Julia and C++ functions that generates block banded matrices based on the user's specifications. The function allows the user to specify the block size, number of blocks on the main diagonal, total number of sub-diagonals and super-diagonals, and the data to populate the matrix. Let's dive in!